Author: Carlos Lopez <genet...@gmail.com>
Date: Sat Aug 11 17:56:27 2012 +0200
Circle Layer: simplify code
---
synfig-core/src/modules/mod_geometry/circle.cpp | 57 +++--------------------
1 files changed, 7 insertions(+), 50 deletions(-)
diff --git a/synfig-core/src/modules/mod_geometry/circle.cpp
b/synfig-core/src/modules/mod_geometry/circle.cpp
index 5231776..69405f4 100644
--- a/synfig-core/src/modules/mod_geometry/circle.cpp
+++ b/synfig-core/src/modules/mod_geometry/circle.cpp
@@ -787,6 +787,12 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
// Width and Height of a pixel
const Real pw = (br[0] - tl[0]) / w;
const Real ph = (br[1] - tl[1]) / h;
+
+ // These are the scale and translation values
+ const double tx(-tl[0]/pw);
+ const double ty(-tl[1]/ph);
+ const double sx(1/pw);
+ const double sy(1/ph);
// True if circle is degenerated (out_radius <0)
bool degenerated(false);
@@ -851,12 +857,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
}
// Now clear a hole on the surface with
out_radius
cairo_save(cr);
- // This is the scale and translation values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_translate(cr, tx , ty);
cairo_scale(cr, sx, sy);
cairo_arc(cr, origin[0], origin[1], out_radius,
0., 2*M_PI);
@@ -892,12 +892,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
// this point
double width
(inter_out_max[0]-inter_out_min[0]);
double
height(inter_out_max[1]-inter_out_min[1]);
- // This is the scale and translation
values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_save(cr);
cairo_set_source_surface(cr, subimage,
(inter_out_min[0]-tl[0])/pw, (inter_out_max[1]-tl[1])/ph);
cairo_translate(cr, tx , ty);
@@ -929,12 +923,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
cairo_paint(subcr);
// now remove the area of the intersection
circle
cairo_save(subcr);
- // This is the scale and translation values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_translate(subcr, tx , ty);
cairo_scale(subcr, sx, sy);
cairo_arc(subcr, origin[0], origin[1],
out_radius, 0., 2*M_PI);
@@ -993,12 +981,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
}
// Now draw the circle with the out_radius
cairo_save(cr);
- // This is the scale and translation values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_translate(cr, tx , ty);
cairo_scale(cr, sx, sy);
cairo_arc(cr, origin[0], origin[1],
out_radius, 0., 2*M_PI);
@@ -1029,12 +1011,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
cairo_pattern_add_color_stop_rgba(gradient,
0.0, r, g, b, falloff_func(cache,out_radius*out_radius));
cairo_pattern_add_color_stop_rgba(gradient,
1.0, r, g, b, falloff_func(cache,in_radius*in_radius));
cairo_save(cr);
- // This is the scale and translation values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_translate(cr, tx , ty);
cairo_scale(cr, sx, sy);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
@@ -1076,12 +1052,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
// this point
double width
(inter_out_max[0]-inter_out_min[0]);
double
height(inter_out_max[1]-inter_out_min[1]);
- // This is the scale and translation
values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_save(cr);
cairo_set_source_surface(cr, subimage,
(inter_out_min[0]-tl[0])/pw, (inter_out_max[1]-tl[1])/ph);
cairo_translate(cr, tx , ty);
@@ -1111,12 +1081,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
cairo_pattern_add_color_stop_rgba(gradient,
0.0, r, g, b, falloff_func(cache,out_radius*out_radius));
cairo_pattern_add_color_stop_rgba(gradient,
1.0, r, g, b, falloff_func(cache,in_radius*in_radius));
cairo_save(cr);
- // This is the scale and translation values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_translate(cr, tx , ty);
cairo_scale(cr, sx, sy);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); //
TODO: this has to be the real operator
@@ -1170,12 +1134,6 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
cairo_pattern_add_color_stop_rgba(gradient,
0.0, r, g, b, falloff_func(cache,out_radius*out_radius));
cairo_pattern_add_color_stop_rgba(gradient,
1.0, r, g, b, falloff_func(cache,in_radius*in_radius));
cairo_save(cr);
- // This is the scale and translation values
- double tx(-tl[0]/pw);
- double ty(-tl[1]/ph);
- double sx(1/pw);
- double sy(1/ph);
-
cairo_translate(cr, tx , ty);
cairo_scale(cr, sx, sy);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER); //
TODO: this has to be the real operator
@@ -1186,8 +1144,7 @@ Circle::accelerated_cairorender(Context
context,cairo_surface_t *surface,int qua
cairo_destroy(cr);
return true;
}
- }
-
+ }
}
cairo_destroy(cr);
return true;
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